Home / 2,603.32-3,586.50-1,815.96

Finding the Fourth Proportional to 2,603.32, 3,586.50 and 1,815.96

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Solution

The fourth proportional to 2,603.32, 3,586.50 and 1,815.96 is: 2,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.32 : 3,586.50 = 1,815.96 : x
  2. Step 2: Convert to fraction form
    2,603.32/3,586.50 = 1,815.96/x
  3. Step 3: Cross multiply
    2,603.32x = 3,586.50 × 1,815.96
  4. Step 4: Simplify right side
    2,603.32x = 6,512,940.54
  5. Step 5: Solve for x
    x = 6,512,940.54/2,603.32
  6. Step 6: Final answer
    x = 2,501.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.